solipsism solipedous • solipsismal · · · Info · Definitions · Characters · · solipsism · · Text Latin · · Script 9 · · Length 4 · · Syllables Definitions · · · (noun) (philosophy) the philosophical theory that the self is all that you know to exist. · · Noun Definition 1 Characters · · i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D o latin small letter o U+006F p latin small letter p U+0070 s latin small letter s U+0073